A thymectomy is sometimes used to treat which peripheral nervous system disorder?
a. Multiple sclerosis (MS)
b. Guillain-Barré syndrome (GBS)
c. Amyotrophic lateral sclerosis (ALS)
d. Myasthenia gravis (MG)
ANS: D
No cure has been found for MG. Treatment is aimed at control of symptoms. Removal of the thymus gland (thymectomy) can decrease production of anticholinesterase (ACh) receptor antibodies and decrease symptoms in most patients. It is not used in MS, GBS, or ALS.
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